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2026-04-13 - 18:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Apr 13, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32210216597,7sleep20-21swapper/207:06:562
32234212765,7sleep10-21swapper/107:07:141
32273212363,7sleep00-21swapper/007:07:450
323662113103,7sleep30-21swapper/307:08:573
54882790,0sleep20-21swapper/209:35:152
3262199290,17cyclictest0-21swapper/108:40:101
32616992913,14cyclictest0-21swapper/009:25:130
3262599280,27cyclictest0-21swapper/211:57:232
3262599280,27cyclictest0-21swapper/210:37:442
3262599271,25cyclictest0-21swapper/212:14:002
3262599270,26cyclictest0-21swapper/209:27:492
3262199270,13cyclictest0-21swapper/112:15:121
3262599260,25cyclictest0-21swapper/208:09:112
3262599260,21cyclictest0-21swapper/207:48:032
3262599250,24cyclictest0-21swapper/210:21:492
32625992422,2cyclictest0-21swapper/211:11:592
32625992422,2cyclictest0-21swapper/210:33:222
32625992422,2cyclictest0-21swapper/208:41:142
3262599240,23cyclictest0-21swapper/207:55:022
3262199240,18cyclictest0-21swapper/112:06:061
118772240,0sleep10-21swapper/112:00:241
3261699230,22cyclictest0-21swapper/012:08:090
32625992218,3cyclictest0-21swapper/209:46:582
3262599221,20cyclictest0-21swapper/210:44:352
3262599220,21cyclictest0-21swapper/208:14:512
32621992218,3cyclictest0-21swapper/109:46:131
3262199220,21cyclictest0-21swapper/107:21:391
32616992219,2cyclictest749-21snmpd11:11:440
32616992219,2cyclictest749-21snmpd10:52:050
32616992218,2cyclictest14100-21sadc12:35:000
3261699220,21cyclictest0-21swapper/008:10:000
32625992119,1cyclictest749-21snmpd12:20:382
32625992117,3cyclictest0-21swapper/209:08:462
3262599211,19cyclictest0-21swapper/208:31:152
3262599210,3cyclictest0-21swapper/212:33:382
3262599210,3cyclictest0-21swapper/211:41:082
3262599210,3cyclictest0-21swapper/210:19:012
3262599210,3cyclictest0-21swapper/209:42:522
3262599210,3cyclictest0-21swapper/208:20:542
3262599210,20cyclictest0-21swapper/212:28:482
3262599210,20cyclictest0-21swapper/212:02:292
3262599210,20cyclictest0-21swapper/211:25:052
3262599210,20cyclictest0-21swapper/211:02:322
3262599210,20cyclictest0-21swapper/208:17:452
3262599210,20cyclictest0-21swapper/208:17:442
3262599210,20cyclictest0-21swapper/207:31:202
3262199216,14cyclictest0-21swapper/108:25:151
32621992118,2cyclictest0-21swapper/111:19:441
3262199210,20cyclictest0-21swapper/109:55:041
3262199210,20cyclictest0-21swapper/108:54:181
3262199210,15cyclictest0-21swapper/107:17:591
32616992118,2cyclictest749-21snmpd12:20:360
32616992118,2cyclictest749-21snmpd09:00:400
32616992118,2cyclictest749-21snmpd08:55:100
32616992118,2cyclictest749-21snmpd07:35:380
3261699210,20cyclictest0-21swapper/012:00:260
3261699210,20cyclictest0-21swapper/007:13:540
32625992018,1cyclictest749-21snmpd10:51:202
32625992018,1cyclictest749-21snmpd10:46:322
32625992018,1cyclictest749-21snmpd10:09:162
32625992018,1cyclictest749-21snmpd07:19:452
32625992017,2cyclictest0-21swapper/210:27:342
32625992016,2cyclictest749-21snmpd09:04:432
32625992015,4cyclictest0-21swapper/207:35:122
3262599200,2cyclictest0-21swapper/208:36:362
3262599200,2cyclictest0-21swapper/208:02:062
3262599200,20cyclictest0-21swapper/211:18:262
3262599200,19cyclictest0-21swapper/212:35:292
3262599200,19cyclictest0-21swapper/208:53:192
3262199200,2cyclictest0-21swapper/111:49:501
3262199200,2cyclictest0-21swapper/111:32:511
3262199200,2cyclictest0-21swapper/111:27:321
3262199200,2cyclictest0-21swapper/108:49:491
32616992018,1cyclictest749-21snmpd11:55:410
32616992018,1cyclictest749-21snmpd11:46:260
32616992018,1cyclictest749-21snmpd11:41:540
32616992018,1cyclictest749-21snmpd11:25:530
32616992018,1cyclictest749-21snmpd11:05:530
32616992018,1cyclictest749-21snmpd10:59:590
32616992018,1cyclictest749-21snmpd10:38:340
32616992018,1cyclictest749-21snmpd09:49:360
32616992018,1cyclictest749-21snmpd09:42:010
32616992018,1cyclictest749-21snmpd09:21:460
32616992018,1cyclictest749-21snmpd09:07:480
32616992018,1cyclictest749-21snmpd08:42:360
32616992018,1cyclictest749-21snmpd08:35:290
32616992018,1cyclictest749-21snmpd07:27:470
32616992018,1cyclictest749-21snmpd07:18:140
32616992017,2cyclictest749-21snmpd10:34:160
32616992017,2cyclictest749-21snmpd09:12:100
32616992017,2cyclictest749-21snmpd07:31:510
32616992016,2cyclictest749-21snmpd12:11:530
32616992011,8cyclictest0-21swapper/011:54:490
3262599192,16cyclictest0-21swapper/209:57:402
32625991917,1cyclictest749-21snmpd12:07:442
32625991917,1cyclictest749-21snmpd11:53:292
32625991917,1cyclictest749-21snmpd11:38:022
32625991917,1cyclictest749-21snmpd09:50:102
32625991917,1cyclictest749-21snmpd08:57:512
32625991917,1cyclictest749-21snmpd08:50:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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